The major technology used in aniline producing is hydrogenated deoxidization catalyzed with reformed copper accelerant.

• 苯胺生产工艺主要为改性铜触媒为催化剂的硝基苯气相加氢还原法，目前，国内苯胺生产技术均出自于吉化，吉化苯胺质量、原材料消耗在全国处于领先水平，尤其是吉化苯胺通过质量攻关如果能够满足MDI生产要求，达到MDI级苯胺质量指标。